<template>
  <div class="app-container">
    <el-row>
      <el-form v-show="showSearch" ref="queryForm" :model="queryParams" :inline="true" label-width="120px">
        <el-form-item label="菜单名称" prop="name">
          <el-input v-model.trim="queryParams.name" placeholder="请输入菜单名称" clearable size="small" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
            <el-option v-for="dict in dict.type.sys_normal_disable" :key="dict.value" :label="dict.label" :value="dict.value" />
          </el-select>
        </el-form-item>
        <el-col :span="24">
          <el-form-item label=" ">
            <el-button type="primary" icon="el-icon-search" size="small" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-setting" size="small" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-col>
      </el-form>
    </el-row>
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button v-hasPermi="['system:menu:add']" type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="info" plain icon="el-icon-sort" size="mini" @click="toggleExpandAll">展开/折叠</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table v-if="refreshTable" v-loading="loading" border stripe :data="menuList" row-key="id" :default-expand-all="isExpandAll" :tree-props="{children: 'children', hasChildren: 'hasChildren'}">
      <el-table-column prop="name" label="菜单名称" :show-overflow-tooltip="true" width="160" />
      <el-table-column prop="icon" label="图标" align="center" width="100">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column prop="seq" label="排序" width="60" align="center" />
      <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true" align="center" />
      <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true" align="center" />
      <el-table-column prop="status" label="状态" width="80" align="center" >
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="创建时间" width="160" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" fixed="right" align="center" width="180" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button v-hasPermi="['system:menu:edit']" size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改</el-button>
          <el-button v-hasPermi="['system:menu:add']" size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)">新增</el-button>
          <el-button v-hasPermi="['system:menu:remove']" size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="680px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect v-model="form.parentId" :options="menuOptions" :normalizer="normalizer" :show-count="true" placeholder="选择上级菜单" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="type">
              <el-radio-group v-model="form.type">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.type != 'F'" label="菜单图标">
              <el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon v-if="form.icon" slot="prefix" :icon-class="form.icon" class="el-input__icon" style="height: 32px;width: 16px;" />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="name">
              <el-input v-model.trim="form.name" class="search-input-no-width" placeholder="请输入菜单名称" maxlength="50" show-word-limit />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="seq">
              <el-input-number v-model="form.seq" class="search-input-no-width" controls-position="right" :min="0" :max="99999" :precision="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'F'">
              <span slot="label">
                <el-tooltip content="选择是外链则路由地址需要以`http(s)://`开头" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                是否外链
              </span>
              <el-radio-group v-model="form.frame">
                <el-radio label="Y">是</el-radio>
                <el-radio label="N">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'F'" prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                路由地址
              </span>
              <el-input v-model.trim="form.path" class="search-input-no-width" placeholder="请输入路由地址" maxlength="200" show-word-limit />
            </el-form-item>
          </el-col>
          <el-col v-if="form.type == 'C'" :span="12">
            <el-form-item prop="component">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                组件路径
              </span>
              <el-input v-model.trim="form.component" class="search-input-no-width" placeholder="请输入组件路径" maxlength="200" show-word-limit />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'M'">
              <el-input v-model.trim="form.perms" class="search-input-no-width" placeholder="请输入权限标识" maxlength="200" show-word-limit />
              <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                权限字符
              </span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type == 'C'">
              <el-input v-model.trim="form.query" class="search-input-no-width" placeholder="请输入路由参数" maxlength="200" show-word-limit />
              <span slot="label">
                <el-tooltip content='访问路由的默认传递参数，如：`{"id": 1, "name": "ry"}`' placement="top">
                  <i class="el-icon-question" />i>
                </el-tooltip>
                路由参数
              </span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type == 'C'">
              <span slot="label">
                <el-tooltip content="选择是则会被`keep-alive`缓存，需要匹配组件的`name`和地址保持一致" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                是否缓存
              </span>
              <el-radio-group v-model="form.cache">
                <el-radio label="Y">缓存</el-radio>
                <el-radio label="N">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'F'">
              <span slot="label">
                <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                显示状态
              </span>
              <el-radio-group v-model="form.display">
                <el-radio v-for="dict in dict.type.sys_show_hide" :key="dict.value" :label="dict.value">{{ dict.label }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'F'">
              <span slot="label">
                <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                  <i class="el-icon-question" />
                </el-tooltip>
                菜单状态
              </span>
              <el-radio-group v-model="form.status">
                <el-radio v-for="dict in dict.type.sys_normal_disable" :key="dict.value" :label="dict.value">{{ dict.label }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMenu, getMenu, delMenu, addMenu, updateMenu } from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from '@/components/IconSelect'

export default {
  name: 'Menu',
  dicts: ['sys_show_hide', 'sys_normal_disable'],
  components: { Treeselect, IconSelect },
  data () {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部折叠
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        name: undefined,
        display: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: '菜单名称不能为空', trigger: 'blur' }
        ],
        seq: [
          { required: true, message: '菜单顺序不能为空', trigger: 'blur' }
        ],
        path: [
          { required: true, message: '路由地址不能为空', trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getList()
  },
  methods: {
    // 选择图标
    selected (name) {
      this.form.icon = name
    },
    /** 查询菜单列表 */
    getList () {
      this.loading = true
      listMenu(this.queryParams).then(response => {
        this.menuList = this.handleTree(response.data, 'id')
        this.loading = false
      })
    },
    /** 转换菜单数据结构 */
    normalizer (node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      }
    },
    /** 查询菜单下拉树结构 */
    getTreeselect () {
      listMenu().then(response => {
        this.menuOptions = []
        const menu = { id: 0, name: '主类目', children: [] }
        menu.children = this.handleTree(response.data, 'id')
        this.menuOptions.push(menu)
      })
    },
    // 取消按钮
    cancel () {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset () {
      this.form = {
        id: undefined,
        parentId: 0,
        name: undefined,
        icon: undefined,
        type: 'M',
        seq: undefined,
        frame: 'N',
        cache: 'Y',
        display: 'Y',
        status: 'Y'
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd (row) {
      this.reset()
      this.getTreeselect()
      if (row != null && row.id) {
        this.form.parentId = row.id
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = '添加菜单'
    },
    /** 展开/折叠操作 */
    toggleExpandAll () {
      this.refreshTable = false
      this.isExpandAll = !this.isExpandAll
      this.$nextTick(() => {
        this.refreshTable = true
      })
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      this.reset()
      this.getTreeselect()
      getMenu(row.id).then(response => {
        this.form = response.data
        this.open = true
        this.title = '修改菜单'
      })
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id !== undefined) {
            updateMenu(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            addMenu(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      this.$modal.confirm('是否确认删除名称为"' + row.name + '"的数据项？').then(function () {
        return delMenu(row.id)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => { })
    }
  }
}
</script>
